PMC:7784824 / 16596-16748 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T181","span":{"begin":0,"end":152},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"As expected, we found that sensitivity was higher if the test was performed starting from day 8 after symptom onset, as compared to earlier time points."}